# Series Parallel Circuits – 20

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20. A certain Wheatstone bridge has the following resistor values: R1 = 10 kΩ, R2 = 720 Ω , and R4 = 2.4 kΩ. The unknown resistance is  ________.

(a) 24 Ω
(b) 2.4 Ω
(c) 300 Ω
(d) 3,000 Ω

Explanation
Explanation : No answer description available for this question. Let us discuss.
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